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authorVladislav Valtchev (VMware) <vladislav.valtchev@gmail.com>2018-02-06 10:49:04 +0200
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2018-02-07 15:08:57 -0500
commit0d7a907cf8bf2beb18c393269efaf1f54a11e312 (patch)
tree25ef6cf3df1c93754fd8ac882e8d9137391edab3 /tracecmd
parente8475feb26500cf49298956e5f0262677dbbc173 (diff)
downloadtrace-cmd-0d7a907cf8bf2beb18c393269efaf1f54a11e312.tar.gz
trace-cmd: Make the trace-cmd target buildable out-of-tree
This patch allows the trace-cmd app to be buildable out-of-tree when the 'O' variable is set at command line while invoking make. At this stage, when the 'O' variable is set, the out-of-tree build will fail for some targets like 'gui' (as it *already* happens on the master branch): with this patch the final goal of a fully working out-of-tree build gets closer. In successive steps, the remaining Makefiles will be made to support out-of-tree builds, until everything works. NOTE: the regular in-tree build of all targets clearly continues to work. Signed-off-by: Vladislav Valtchev (VMware) <vladislav.valtchev@gmail.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tracecmd')
-rw-r--r--tracecmd/Makefile33
1 files changed, 22 insertions, 11 deletions
diff --git a/tracecmd/Makefile b/tracecmd/Makefile
index 860dc895..3a11024f 100644
--- a/tracecmd/Makefile
+++ b/tracecmd/Makefile
@@ -3,8 +3,10 @@ VERSION := $(TC_VERSION)
PATCHLEVEL := $(TC_PATCHLEVEL)
EXTRAVERSION := $(TC_EXTRAVERSION)
-TC_VERSION := $(obj)/tracecmd/include/tc_version.h
-TARGETS = trace-cmd $(TC_VERSION)
+bdir:=$(obj)/tracecmd
+
+TC_VERSION := $(bdir)/include/tc_version.h
+TARGETS = $(bdir)/trace-cmd $(TC_VERSION)
BUILDGUI := 0
include $(src)/scripts/utils.mk
@@ -31,10 +33,10 @@ TRACE_CMD_OBJS += trace-output.o
TRACE_CMD_OBJS += trace-usage.o
TRACE_CMD_OBJS += trace-msg.o
-ALL_OBJS = $(TRACE_CMD_OBJS)
+ALL_OBJS := $(TRACE_CMD_OBJS:%.o=$(bdir)/%.o)
all_objs := $(sort $(ALL_OBJS))
-all_deps := $(all_objs:%.o=.%.d)
+all_deps := $(all_objs:$(bdir)/%.o=$(bdir)/.%.d)
CONFIG_INCLUDES =
CONFIG_LIBS =
@@ -42,23 +44,32 @@ CONFIG_FLAGS =
all: $(TARGETS)
-$(TC_VERSION): force
+$(bdir):
+ @mkdir -p $(bdir)
+
+$(bdir)/include: | $(bidr)
+ @mkdir -p $(bdir)/include
+
+$(TC_VERSION): force | $(bdir)/include
$(Q)$(call update_version.h)
-trace-cmd: $(ALL_OBJS)
+$(all_deps): | $(bdir)
+$(all_objs): | $(bdir)
+
+$(bdir)/trace-cmd: $(ALL_OBJS)
$(Q)$(do_app_build)
-trace-cmd: $(LIBTRACECMD_STATIC) $(LIBTRACEEVENT_STATIC)
+$(bdir)/trace-cmd: $(LIBTRACECMD_STATIC) $(LIBTRACEEVENT_STATIC)
-%.o: %.c
+$(bdir)/%.o: %.c
$(Q)$(call do_compile)
-$(all_deps): .%.d: %.c
+$(all_deps): $(bdir)/.%.d: %.c
$(Q)$(CC) -M $(CPPFLAGS) $(CFLAGS) $< > $@
$(all_deps): $(TC_VERSION)
-$(all_objs): %.o : .%.d
+$(all_objs): $(bdir)/%.o : $(bdir)/.%.d
dep_includes := $(wildcard $(DEPS))
@@ -67,7 +78,7 @@ ifneq ($(dep_includes),)
endif
clean:
- $(RM) *.a *.so *.o .*.d $(TARGETS)
+ $(RM) $(bdir)/*.a $(bdir)/*.so $(bdir)/*.o $(bdir)/.*.d $(TARGETS)
force:
.PHONY: clean